No amount of lead exposure is considered safe, and repeated or continuous lead exposure—particularly at high doses—is especially harmful for children, pregnant people, and older adults.
October 18, 2025
high
temporal
Established toxicological principle and public-health guidance regarding lead exposure.
People at higher risk of severe listeria infections include people who are pregnant, newborns, adults aged 65 or older, and people with weakened immune systems.
October 06, 2025
high
medical
Risk groups for severe outcomes from listeriosis